We may love our brother or sister, but we may not have sex with them. We may love our parents, but we may not have sex with them. We may love someone of the same sex, but we may not have sex with them. We may love someone of the opposite sex, but we may not have sex with them, unless we marry them. Marriage is not a piece of paper between two people and the civil authorities. It is a covenant between a man and a woman and God. We are supposed to love our neighbors but not have sex with them. Sex is restricted to marriage. Marriage was created by and is governed by, God.